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Chemical Kinetics

Maharashtra Board · Class 12 · Chemistry

Complete topic list for Chemical Kinetics in Maharashtra Board Class 12 Chemistry. Key concepts, sub-topics, and what to focus on for board exams.

45 questions22 flashcards5 concepts

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4 Topics · Maharashtra Board Class 12 Chemistry

Topics in Chemical Kinetics

1

Rate of Chemical Reactions

  • Rate of reaction = change in concentration of reactants or products per unit time
  • Average rate = Δc/Δt, measured over a time interval
  • Instantaneous rate = dc/dt, measured at a specific instant using tangent to concentration-time curve
2

Rate Law and Order of Reaction

  • Rate law: Rate = k[A]ˣ[B]ʸ, where k is rate constant
  • Order of reaction = sum of powers (x + y) in rate law expression
  • Order is experimentally determined, not from balanced equation
3

Molecularity and Elementary Reactions

  • Elementary reaction: occurs in single step, cannot be broken down further
  • Molecularity: number of reactant molecules participating in elementary reaction
  • Molecularity is always positive integer (1, 2, or rarely 3)
4

Integrated Rate Laws

  • Integrated rate laws relate concentration to time
  • Different for different orders of reactions
  • Allow calculation of concentration at any time or time for given concentration change

Key Concepts

The rate of reaction is definedRate law expresses the relationship betweenMolecularity is the number of reactantFor firstTime required for reactant concentration

Frequently Asked Questions

What are the important topics in Chemical Kinetics for Maharashtra Board Class 12 Chemistry?
Chemical Kinetics covers several key topics that are frequently asked in Maharashtra Board Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Chemical Kinetics — Maharashtra Board Class 12 Chemistry?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All 16 chapters — Maharashtra Board Class 12 Chemistry Syllabus

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